don't take chantix if you've had a serus allergic or skin reaction to it. if you develop these stop taking chantix and see your doctor right away as some can be life-threatening. if you have a history of heart or blood vessel problems, tell your doctor if you have new or worse symptoms. get medical help right away if you have symptoms of a heart attack. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. it helps to have people around you... they say, you're much bigger than this. and you are. [ male announcer ] ask your doctor if chantix is right for you. ♪ >> i am shibani joshi with your fox business brief. u.s. home prices jumped in december by the most in six and a half years. prices rose 8.3% compared with a year ago. that is the biggest gain since may 2006. shares of the dow -- shares of dell are trading higher. they are going private. microsoft is lending 2 billion to the deal. it is the largest buyout of the time since the start of the financial crisis. earning season continues